Narrowband terahertz source based on four-wave mixing

zhou ping; fan dianyuan

Volume 22 Issue 08

Jul. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(08): 0-

lai zhi, zeng xiaodong, feng zhejun, et al. Measurement of elongation of piezoelectric transducer driven by fast alternative electric field[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhou ping, fan dianyuan. Narrowband terahertz source based on four-wave mixing[J]. High Power Laser and Particle Beams, 2010, 22.

lai zhi, zeng xiaodong, feng zhejun, et al. Measurement of elongation of piezoelectric transducer driven by fast alternative electric field[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhou ping, fan dianyuan. Narrowband terahertz source based on four-wave mixing[J]. High Power Laser and Particle Beams, 2010, 22.

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Narrowband terahertz source based on four-wave mixing

1.
National Laboratory for High Power Laser Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China

Publish Date: 2010-07-12

Abstract

Abstract

This paper proposes theoretically a novel terahertz source based on polarization-maintaining optical fibers. Utilizing the dual-wavelength laser as the pump source and four-wave-mixing effect in the optical fibers, a compact wide-tunable narrowband terahertz source can be constructed. The surface-emitting scheme is used to decrease the absorption loss of terahertz waves in the optical fibers. The four-wave mixing process and the phase-matching conditions are discussed through the coupled-wave theory, and the analytical expression of terahertz output power is obtained. It is shown that when the pump peak power is about 1 kW, the terahertz peak power is about 350 mW at 6 THz, and the power conversion efficiency is about 0.01%. This scheme provides a possibility to realize a high-power, comp
- nonlinear optics,
- terahertz radiation source,
- four-wave mixing,
- polarization-maintaining optical fibers,
- phase-matching

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